An Estimated _____ DNA Base Pairs Comprise the Human Genome

Question

An estimated _____ DNA base pairs comprise the human genome.
A) 32,000
B) 320,000
C) 3.2 million
D) 3.2 billion
E) 3.2 trillion

Accepted Answer

The human genome is estimated to contain approximately 3.2 billion DNA base pairs. This is a significant increase from earlier estimates, which put the number at around 100,000 genes containing about 3 billion base pairs.